alerhverv.dk DNS records

🖥️ Nameservers3 records 44ms

Nameserver	IP addresses	PTR	ASN / ISP
blue.foundationdns.com	108.162.198.1 162.159.60.1 172.64.40.1 2606:4700:57::6ca2:c601 2803:f800:52::a29f:3c01 2a06:98c1:56::ac40:2801	blue.foundationdns.com blue.foundationdns.com blue.foundationdns.com blue.foundationdns.com blue.foundationdns.com blue.foundationdns.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
blue.foundationdns.net	108.162.198.31 162.159.60.31 172.64.40.31 2606:4700:57::6ca2:c61f 2803:f800:52::a29f:3c1f 2a06:98c1:56::ac40:281f	blue.foundationdns.net blue.foundationdns.net blue.foundationdns.net blue.foundationdns.net blue.foundationdns.net blue.foundationdns.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
blue.foundationdns.org	108.162.198.61 162.159.60.61 172.64.40.61 2606:4700:57::6ca2:c63d 2803:f800:52::a29f:3c3d 2a06:98c1:56::ac40:283d	blue.foundationdns.org blue.foundationdns.org blue.foundationdns.org blue.foundationdns.org blue.foundationdns.org blue.foundationdns.org	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records4 records 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
141.101.90.96	300s	—	AS13335	Cloudflare, Inc.	141.101.90.0/24	—	—
141.101.90.97	300s	—	AS13335	Cloudflare, Inc.	141.101.90.0/24	—	—
141.101.90.98	300s	—	AS13335	Cloudflare, Inc.	141.101.90.0/24	—	—
141.101.90.99	300s	—	AS13335	Cloudflare, Inc.	141.101.90.0/24	—	—

📧 MX Records

📧

No MX records found

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	141.101.90.97
🔶 Autoconfig	141.101.90.99

🔷 AAAA Records (IPv6)4 records 29ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a06:98c1:3200::90:0	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3200:0:0:0:0:0/48	—	—
2a06:98c1:3200::90:1	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3200:0:0:0:0:0/48	—	—
2a06:98c1:3200::90:2	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3200:0:0:0:0:0/48	—	—
2a06:98c1:3200::90:3	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3200:0:0:0:0:0/48	—	—

🔐 HTTPS Records1 records 27ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=141.101.90.96,141.101.90.97,141.101.90.98,141.101.90.99 ech=AEX+DQBBKgAgACAvQqH0GYmbu3KvoVqKt+Ei4tgB0R7OrKySEEIuEA2POgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3200::90:0,2a06:98c1:3200::90:1,2a06:98c1:3200::90:2,2a06:98c1:3200::90:3

📝 TXT Records1 records 195ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (alerhverv.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.alerhverv.dk)
p=reject	v=DMARC1; p=reject; adkim=s; aspf=s;

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC105ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2413192597
Primary NS (MNAME)	blue.foundationdns.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

44ms

A

47ms

MX

47ms

AAAA

29ms

TXT

195ms

CAA

41ms

HTTPS

27ms

TLSA

300ms

SOA

0ms

MTA-STS

63ms

DNSSEC

105ms

SRV

64ms

Total

898ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 18:50:58	898ms	3 NS 4 A 0 MX	🔒 Secure	View
2026-08-25 02:55:47	1350ms	3 NS 4 A 0 MX	🔒 Secure	View
2026-08-18 22:12:08	5708ms	3 NS 4 A 0 MX	🔒 Secure	View
2026-07-24 18:14:23	9230ms	3 NS 4 A 0 MX	🔒 Secure	View
2026-07-22 14:58:12	8869ms	3 NS 4 A 0 MX	🔒 Secure	View
2026-07-11 05:42:58	1079ms	3 NS 4 A 0 MX	🔒 Secure	View
2026-07-01 10:16:57	970ms	3 NS 4 A 0 MX	🔒 Secure	View
2026-06-16 12:45:51	576ms	3 NS 4 A 0 MX	🔒 Secure	View